mvsas: fix error return code in mvs_task_prep()

Fix to return error code -ENOMEM from the error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
index 86eb19902bacef9f62e808833cbe86387b1d1771..c7cc8035eacb371eb3ae6e038abb6df7c94e7169 100644 (file)
--- a/drivers/scsi/mvsas/mv_sas.c
+++ b/drivers/scsi/mvsas/mv_sas.c
@@ -791,8 +791,10 @@ static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf
        slot->slot_tag = tag;
 
        slot->buf = pci_pool_alloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma);
-       if (!slot->buf)
+       if (!slot->buf) {
+               rc = -ENOMEM;
                goto err_out_tag;
+       }
        memset(slot->buf, 0, MVS_SLOT_BUF_SZ);
 
        tei.task = task;